21486075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22037}}^1$

素因数の和:22063

約数の個数: 24

約数和(自身を含む): 38257968

約数和(自身を除く): 16771893

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 22037, 66111, 110185, 286481, 330555, 550925, 859443, 1432405, 1652775, 4297215, 7162025, 21486075]

約数ペア:

[(1, 21486075), (3, 7162025), (5, 4297215), (13, 1652775), (15, 1432405), (25, 859443), (39, 550925), (65, 330555), (75, 286481), (195, 110185), (325, 66111), (975, 22037)]